CowCow M&P9 150% Hammer Spring (GG08-10)

The CowCow Technology 150% hammer spring for the TM M&P 9 helps mitigate some of the light striking issues that some TM pistols can have when the gas pressure is too high due to over-pressuring or expansion due to heat.

Features:

• Increased hammer strength over stock spring.
  
• Increased durability over stock spring.